An Eclipse Most Rare

The lunar eclipse which begins late tonight will coincide with the winter solstice. According to SpaceWeather.com, this is the first time this has occurred since 1638.

However, it occurs to me to wonder whether this corrects for the adoption of the Gregorian calendar, which was decreed by Pope Gregory XIII in 1582. Protestant countries resisted the new calendar, and Great Britain and its North American colonies did not go Gregorian until 1752. Far be it from me to contradict the US Naval Observatory, just asking….

Earth Science Picture of the Day has a montage of an eclipse of 2007. Worth the click: Lunar Eclipse Montage – Earth Science Picture of the Day

Update: Astropic du Jour also clickworthy: APOD: 2010 December 20 – A Lunar Eclipse on Solstice Day

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